Shuttle-lock for looms.



PATENTED MAY 15, 1906.

P. A. MILLS. SHUTTLE LOOK FOR LOOMS.

APPLIOATIQN FILED NOV. 9, 1903.

' 3 SHEBTS-SHEET 1.

munew. B. GRAHAM co" PHOYOLITHDGRAPNERS. wnsnmmon, wv cv PATENTBD MAY15, 1906.

P. A. MILLS.

SHUTTLE LOOK FOR LOOMS.

APPLICATION FILED NOV. 9, 1903.

3 SHEETS-SHEET 2.

PATENTED MAY 15, 1906.-

F. A. MILLS. SHUTTLE LOOK FOR LODMS.

APPLICATION FILED NOV. 9, 1903.

3 SHEETS-SHEET 3.

31141; ul'oz Qvihle ooeo U NITEI) STATES PATENT OFFICE.

FRANCIS ARTHUR MILLS, OF LAWRENCE, MASSACHUSETTS, ASSIGNOR OF ONE-HALFTO GROSVENOR B. EMMONS, OF METHUEN, MASSA- CHUSEITS.

SHUTTLE-LOCK FOR LOOIVIS.

Specification of Letters Patent.

Patented May 15, 1906.

To all whom, it may concern:

Be it known that I, FRANoIs ARTHUR MILLs, a citizen of the United Statesof America, residing at the city of Lawrence, in the county of Essex andState of Massachusetts, have invented certain new and usefulImprovements in Shuttle-Locks for Looms, of which the following is aspecification.

The invention which is the subject of this patent has for its object thegradual checking of the shuttle from the time it strikes the swell ofthe shuttle-binder to the limit of its throw in the shuttle-box, and atwhich point the shuttle is stopped and locked in a prede-' terminedposition in the box. For carrying out this object I have designed a newcombination of an eccentric forming the fulcrum for the shuttle-binder,an impact-strap, and lever device connecting the eccentric and strap foractuating the eccentric to actuate the binder. a

The following description, read in connection with the accompanyingdrawings, will enable any one skilled in the art of shuttle checking,stopping, and locking mechanism for looms to understand my invention andto practice it in the form in which I prefer to employ it; but it willbe understood that my invention is not limited to the precise form anddetails of construction herein illustrated and described, as variousmodifications and changes may be made without exceeding the scope of myinvention and the claims.

So far as I know and can find I am the first to employ in a loom aneccentric in combination with a strap to receive the impact of theshuttle to actuate the eccentric for causing the gradual checking andstopping of the shuttle and for looking it in the box at the end of itsflight in a predetermined position.

Referring to the drawings, Figure 1 represents in top view the left endof the lay and its shuttle-box of a loom embracing my invention, theshuttle being shown as having entered the box to the position havingjust come in contact with the shuttle-binder. Fig. 2 is a similar viewshowing the position of the shuttle as having forced the binder outwardto operate the dagger, so that the protector will clear the frog. Inthis view the dotted lines show the shuttle having reached the limit ofits throw in the box and in contact with the picker and the binder andits fulcrum in the position they will be moved caused by the shuttlehaving moved from the position shown in full lines to the position shownin dotted lines, at which point the shuttle is locked. In these twofigures the shuttle guard-plate is seen broken away to expose themovable eccentric fulcrum of the binder. Fig. 3 is a front elevation ofthe same end of the lay and in which is seen the dagger and theadjustable stop for limiting the upward throw of the dagger. Fig. 4shows a bottom view of the same end of the lay, the strap connectionsfor the shuttle-locking mechanism, and the dagger device. Fig. 5 shows arear view of the same end of the lay, illustrating the eccentric andshuttle-looking device which forms the fulcrum for the shuttlebinder andthe protection-finger and its fulc'. uni-bearing relation to one end ofthe shuttle-binder. Fig. 6 is a transverse section on the line an 90 ofFigs. 1 and 2, showing the protecting mechanism and its frog in thepositions they occupy before the shuttle actuates the shuttle-binder.Fig. 7 is an identical section showing the dagger having been lifted tothe stop to clear the frog when the shuttle and its binder are in thepositions shown in Fig. 2. Fig. 8 shows in top view, enlarged, theshuttle in contact with the picker 4, having operated the eccentricdevice for locking the shuttle, as shown in dotted lines in Fig. 2, theshuttle guard-plate being removed. Fig. 9 shows a transverse section ofthe sarre on the line y y of Fig. 2, showing the eccentric and leverdevice and its connection with the impact-strap beneath the lay. Fig. 10shows in perspective the eccentric fulcrum for the binder and the leverand the impact-strap connection for locking the shuttle. Fig. 11 is aview. showing a modification of the impact-strap and spring connectionswith the eccentric device, the impact-strap being arranged above the layand having direct connection with the eccentric.

The lay 1, having a shuttle-box 2 thereon at each end of the slot 3 forthe picker-stick i, and the picker 4. are of the usual construction. Theshuttle-binder 5 is formed with the swell 6 for contact with the shuttle7 and is fulcrumed on an eccentric device having the impact-strapconnection for checking,

stoppin and locking the shuttle. This eccentric ocking device ispreferablymounted at the end of the lay on a plate 8, adjustably boltedto it and having a bearing 9 for a shaft 10, which has the eccentric 11at its upper end and. a lever 12 at its lower end, as in Figs. 41, 5,and 10, and having a strap 13, connecting with the lever 12 foroperating the combined eccentric and lever device. The other end of thestrap has means 13 for adjustably connecting the impact-strap to thelay. For causing the shuttle-binder, together with its eccentric device,to be pressed inward toward the shuttle or opposite side of theshuttle-box I employ spring-pressure, causing the binder to bespring-pressed at both ends toward the shuttle or opposite side of theshuttle-box against the shuttle, thereby locking it. It is therefore bythe protection-finger 14 acting as a fulcrum, as in Fig. 7, to one endof the binder and the eccentric locking device and binder, while theprimary fulcrum and the short arm of the binder are being forced out.against the tension of the binder-spring 1.5 by the ingoing shuttle,that the shuttle is being gradually checked until it reaches the limitof its travel in the box and the shuttle is stopped and locked. Thesecondary bearingfulcrum formed by the protection-finger acts as apivot-bearing for the long end of the binder as the ingoing shuttle isforcing the short or outer end of the shuttle-binder and lts eccentriclocking device outward or away from the opposite wall of the shuttle-boxagainst spring-pressure to gradually check, stop, and lock the shuttle.As a means for limiting the inward movement of the shuttlebinder whenthe shuttle is out of the shuttlebox I employ a stop 16, preferablyan-eccentric, which may be adjusted to allow more or less inward andoutward movement to the end of the shuttle-binder which is fulcrumedupon the eccentric locking device, and

this stop serves to limit the inward move-.

ment of the binder under the ressure of the spring when the shuttle isout o the boX. Referring to Fig. 3, it will be seen that the meansprovided for this adjustment is a long screw 16, passing through thecap-plate 27, through a bore in the eccentric, and down through a holein the end of the lay and secured on the under side thereof by aclamp-nut 16 as shown in dotted lines, so that loosening the nut leavesthe eccentric free to be turned on the screw to allow the eccentric partto be set farther inward or outward and then fastened by the clamp-nutto form the stop against which the binder is spring-pressed when theshuttle is out of the box.

I have shown a strap as the means of receiving and transmitting theforce of the impact of the shuttle upon the picker or pickerstick to thebinder eccentric fulcrum for looking the shuttle, and this strap andeccentric is the means for adjustably determining the stopping of theshuttle in a desired position in the shuttle-box to receive a bobbin offilling from a magazine to the shuttle, as in the patent to J. H.Northrop, November 27,1894, N 0. 529,940.

The shuttle having been picked across the lay through the shed entersthe shuttle-box, coming in contact with the swell of the shuttlebinder,as seen in Fig. 1 and continuing its movement presses the binder andprotect-ionfinger out against the pressure of the protector-spring 17until the dagger 18 reaches an adjustable stop 19, as shown in Figs. 2and 7 the dagger being thereby lifted to clear the frog. At this stopthe outward movement of the protector-finger and end of the binderceases and then the rotector-finger 14 becomes the bearing-fu crum forthe long end or arm of the binder. The shuttle continuing its inwardmovement to the position shown in Fig. 8 and in dotted lines in Fig. 2forces the binder and its eccentric locking device out against thepressure of the spring 15 to the position shown in Fig. 8 and in Fig. 2in dotted. lines from the position shownin Fig. 2 in full lines, andduring this time that the shuttle is traveling from the position in Fig.2 in full lines to that shown in dotted lines the protection-fingerbecomes a secondary fulcrum for the shuttle-binder. While the shuttle istraveling from the position shown in Fig. 2, full lines, to that shownin Fig. 2 in dotted lines and in Fig. 8 in full lines, the binder andits eccentric locking device moves outward against spring-pressure togradually check, stop, and lock the shuttle. The shuttle havingdelivered its impact upon the picker causes the strap to pull upon theeccentric device, and the atter causes th e bind er to be pressed uponthe shuttle to lock it. From the time the shuttle strikes the swell ofthe binder it will be free to be moved outward away from the oppositeside of the shuttleboX under spring-pressure to the full extent of themovement of the shuttle into the boX.

For operating the eccentric locking device of the binder byspring-pressure toward the opposite side of the shuttle-box I have showna spring 15, pressing against the shuttlebi'nder. In Figs. 1, 2, and 8this spring is shown as adjustably connected to cause it to give more orless pressure upon the shuttlebi'nder. The plate which supports thelever device may also provide a support 21, having a screw 22 forcausing the spring 15 to give more or less pressure to the eccentricdevice of the shuttle-binder inward toward the opposite side of theshuttle-box, a lock-nut for the screw-bolt being employed to maintainthe adjustment.

The protection-finger bears upon the binder under spring-pressure, sothat when the shuttle enters the boX and comes in contact with the swellof the binder the latter will be caused to be pushed out, therebypushing out the protector-finger and causing the lifting of the daggerto clear the frog. The dagger will thereby be brought in contact withthe adjustable stop, and this stop will prevent the further outward-movement of the protection-finger, which is in contact with the binder,and at this point the protectionfinger becomes a bearing-fulcrum for thebinder to cause its eccentric device to be moved outward by the ingoi'ngshuttle under spring resistance.

Referring to Fig. 11, Which is a modification showing the spring 15 aslocated be neath the lay, it will be seen that the spring operates uponthe impact-strap-connected lever-arm 12 of the eccentric device (seen inFig. and that the pulling action of the spring 15 upon this straplever-arm is such as to transfer the spring-pressure to the eccentricdevice upon which the binder is fulcrumed, which causes the binder andits fulcrum to be pressed toward the opposite Wall of the shuttle-box.In this function of the spring its tension is adjusted by a screw-bolt23 in a depending lug 24 to give more or less pressure upon the binderthrough its eccentric locking device. In this arrangement of the springthe impact-strap 13 is connected with the eccentric at the top of thelay, the lever 12 for this purpose being added to the shaft 10 in aposition on the eccentric just beneath the shuttle-binder, and theconnection of the strap with this lever is made by a'pin at the end ofthe lever by which the strap is caused to pull on the lever to rotatethe eccentric under the impact of the shuttle. In either arrangement ofthe strap it is effective for actuating the eccentric to force thebinder against the shuttle. The shuttle-box is provided with the usualcap-plate 25 for the shuttle-binder.

While I have shown and described the shuttle-binder as fulcrumed toyield throughout its entirety, yet obviously my new combination ofimpact-strap and eccentric may be used with a shuttle-binder notfulcrumed to yield throughout its entirety. 7

It will be noted, looking at Fig. 10 of the drawings, that the eccentricdevice for looking the shuttle-binder upon the shuttle consists of asingle part of three elements, each element having a separate anddistinct function in the operation of effecting such lock. Of theseelements the vertical shaft 10 is the support and carrier and has arocking movement in its bearing to impart to the eccentric 11, fixed onits upper end, a rocking movement to the extent of the rocking movementof the shaft and which bysuch movement gives a lateral movement to theshuttlebinder, which is fulcrumed on said eccentric and by which theshuttle-binder is locked, while the lever 12 on the lower end of theshaft in its function transmits the impact of the strap to the shaft torock it and thence to rock the eccentric, each element having a fixedrelation to the other. r 1 In an application filed by me November 6,1903, under Serial No. 180,121, I have shown, described, and claimedcertain parts and combinations of parts, which are shown and describedherein, and as to such matters and things I do not claim them hereinexcept in so far as they relate to and are embodied in the newcombinations, which are set forth in the claims which form thesubject-matter of this patent. I claim 1. In a loom, the lay, theshuttle-box, the shuttle and picking mechanism therefor, ashuttle-binder, means for causing it to be yieldingly pressed inwardlythroughout its entirety, a shaft terminating at its upper end in aneccentric device forming the fulcrum for the binder and adjustable meansconnected to the eccentric device for checking, stopping and locking theshuttle at a predetermined position in the shuttle-box.

2. In a loom and in combination, the lay, the shuttle-b 0X, the shuttleand picking mechanism therefor, a shuttle-binder, means for causing itto be yieldingly pressed throughout its entirety toward the oppositewall of the boX, a shaft terminating at its upper end in an eccentricforming the fulcrum for the binder, an adjustable strap actuated bytheimpact of the incoming shuttle to actuate said eccentric and leverdevice to force said binder against the shuttle.

3. In a loom and in combination, the lay, a shuttle-box, the shuttle andpicking mechanism therefor, means for causing the binder including itsfulcrum 'to be pressed inwardly throughout the entirety of the binder, ashaft terminating at its upper end in an eccentric device forming thefulcrum for the binder and an adjustable strap actuated by the impact ofthe incoming shuttle to actuate said eccentrio and lever device to forcethe binder against the shuttle.

4. The combination in a loom, the lay, a shuttle-box, the shuttle andpicking mechanism therefor, a pivotally-mounted shuttlebinder, means forcausing the shuttle-binder including its pivot to be pressed inwardly atboth ends of the binder, a shaft terminating at its upper end in aneccentric device forming the pivot of the binder, and an adjustablestrap to receive the impact of the incoming shuttle to actuate theeccentric and lever device to force the bind er against the shuttle.

5. In combination in a loom, the lay, a shuttle-box, the shuttle andpicking mechanism therefor, a shuttle-binder, means for pressing itinward throughout its entirety, a shaft terminating at its upper end inan eccentric forming the fulcrum for the binder, means for adjusting thedegree of pressure on the binder including its fulcrum, and anadjustable strap actuated by the impact of IIO the incoming shuttle toactuate said eccentric and lever device to force the binder against theshuttle.

6. In a loom, the lay, a shuttle-box, the shuttle and picking mechanismtherefor, a shuttle-binder, means for causing it to be yieldinglypressed inwardly throughout its entirety, in combination with a shaftterminating at its upper end in an eccentric forming amovable fulcrumfor the binder and means governed by the impact of the shuttle toactuate said eccentric and lever device to force the binder against theshuttle.

7. In a loom, the lay, a shuttle-box, the shuttle and picking mechanismtherefor, a shuttle binder spring pressed inwardly throughout itsentirety toward the opposite wall of the box, in combination with ashaft terminating at its upper end in an eccentric forming the fulcrumfor the binder, and an adjustable strap to receive the impact governedby the incoming shuttle to actuate said eccentric and lever device toforce the binder against the shuttle.

8. In a loom, the lay, a shuttle-box, the shuttle and picking mechanismtherefor, a shuttle-binder spring-pressed inward through out itsentirety toward the opposite wall of the box, in combination with ashaft terminating at its upper end in an eccentric forming the fulcrumfor the binder, and an adjustable strap to receive the impact of theincoming shuttle to actuate said eccentric and lever device to force thebinder against the shuttle.

9. In a loom, the lay, a shuttleboX, the shuttle and picking mechanismtherefor, a shuttle binder spring pressed inwardly throughout itsentirety toward the opposite wall of the boX, in combination with ashaft terminating at its upper end in an eccentric forming a primaryfulcrum for the shuttlebinder, the protector-finger forming the secondary fulcrum for the binder when the primary fulcrum is being movedoutward by the incoming shuttle and an adjustable strap con nected toand actuating the eccentric and lever device to force the binder againstthe shuttle.

10. In a loom and in combination, the lay, a shuttle-box, the shuttleand picking mechanism therefor, a shuttle-binder, an adjustable springmaintaining an inward pressure upon the binder an eccentric and leverdevice for locking the binder upon the shuttle consisting of a shaftterminating at its upper end in an eccentric fulcrum for theshuttle-binder, said shaft having a lever, and an adjustable strapconnected to said lever to receive the impact of the incoming shuttle toactuate said eccentric and lever device to force the binder against theshuttle.

11, In a loom, the lay having a shuttleboX, a shuttle and pickingmechanism therefor, a binder. a shaft terminating at its upper end in an'eccentricforming a fulcrum for the binder, a lever on said shaft and anadjustable strap connected to said lever to receive the impact of saidshuttle to actuate the eccentric to force the binder against theshuttle.

12. In a loom, the lay having a shuttlebox, a shuttle and pickingmechanism therefor, a shuttle-binder, a shaft terminating at its upperend in an eccentric forming a fulcrum for the binder, a spring on thelay pressing the outer end of the binder inward and means for adjustingit, a lever on the shaft, an adjustable impact-strap connecting thelever, and an adjustable eccentric-stop for limiting the inward movementof the outer end of the binder against the pressure of the spring, thefulcrum of the binder beingbetween the spring and the inner end of thebinder.

13. In a loom and in combination, the la a shuttle-box, the shuttle andpicking mec anism therefor, a binder, a shaft terminating in aneccentric and having a lever arranged in relation to each other asdescribed, said eccentric forming the fulcrum for the shuttlebinder, andan adjustable impact-strap connected to said lever.

14. In a loom, the lay, the shuttle-box, the shuttle and pickingmechanism therefor, a shuttle-binder having an eccentric fulcrumspring-pressed inwardly with the binder in the manner substantiallyshown and described.

15. In a loom, the lay, the shuttle-box, the shuttle and pickingmechanism therefor, a shuttle-binder spring-pressed inwardly at or nearits outer end, movable laterally throughout its entirety, said bindercaused to be moved outwardly by the ingoing shuttle and inwardly at itsouter end by the outgoing shut tie, in combination with means foractuating the eccentric including a vertical rod terminating at itsupper end in an eccentric fulcrum for the binder.

In testimony whereof I have affixed my signature in presence of twowitnesses.

FRANCIS ARTHUR MILLS.

Witnesses:

GUY H. Joi-rNsoN, A. E. H. JoHNsoN.

